July 2009

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HP Automation Safety: Safety culture for operations and maintenance

While recently analyzing failure records from different petrochemical plants, some interesting trends emerged from the information. A particular instrument model experienced significantly different fa..

Goble, W., exida LLC

While recently analyzing failure records from different petrochemical plants, some interesting trends emerged from the information. A particular instrument model experienced significantly different failure rates at different plant locations but under similar processing conditions. Why would an instrument fail more frequently in one location than at another? If the application stress conditions are roughly the same, then the failure rates should be similar. After discussions with employees involved, it became clear that there were different levels of expertise, support and attitude in the personnel responsible for the maintenance and operation of the safety instrumented system. Site A vs. S

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